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FIX: OLE DB Provider for ODBC Allocates 64K Hash Table for Server-Side Cursor


View products that this article applies to.

This article was previously published under Q203726

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Symptoms

When you use server-side Keyset cursors with the OLE DB Provider for ODBC shipping with MDAC 2.0, a hash table is created, which is used to hold bookmarks for each row in the rowset, and the provider allocates 64 kilobytes to the table by default.

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Resolution

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next MDAC 2.0 Service Pack 1 available with Windows NT 4.0 Service Pack 4, or upgrade to the MDAC 2.1 components that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

OLE DB Core

   Date      Time    Size       File name     
   -----------------------------------------

   08/14/98  04:04p  182,272    msdadc.dll
   08/14/98  04:01p   48,128    msdaenum.dll
   08/14/98  03:40p   63,488    msdaer.dll
   08/14/98  03:40p   15,360    msdaerr.dll
   08/14/98  03:32p   14,336    msdaps.dll
   08/14/98  03:44p  101,376    msdatt.dll
				

OLE DB Provider for ODBC Drivers

   Date      Time    Size       File name     
   -----------------------------------------

   08/14/98  03:51p  688,128    msdasql.dll
   08/14/98  03:52p    9,728    msdasqlr.dll
   08/14/98  03:36p  171,520    msdatl2.dll
				
The QFE build affects two components of the MDAC 2.0 stack, OLE-DB Core components, and the OLE-DB Provider for ODBC Drivers.

NOTE: MDAC 2.0 Service Pack 1 is only intended for computer that have Windows NT 4.0 Service Pack 4 installed.

NOTE: Due to file dependencies, the most recent hotfix or feature that contains the above files may also contain additional files.


Install the Hotfix

  1. Locate the MSDASQL.DLL on the target computer. This is usually located in the following directory:
    c:\program files\common files\system\ole db
  2. Copy the zip file to the directory where MSDASQL.DLL was found.
  3. Unzip the file, and answer Yes to all overwrite questions.

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Status

Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article. This bug was corrected in MDAC 2.1.

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Keywords: KB203726, kbqfe, kbprovider, kbfix, kbdatabase, kbbug

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Article Info
Article ID : 203726
Revision : 8
Created on : 10/7/2005
Published on : 10/7/2005
Exists online : False
Views : 362